docs: add AGENTS.md with security rules

DeliciousBuding · DeliciousBuding · commit f93581ea3dad · 2026-05-23T16:36:43.000+08:00
diff --git a/AGENTS.md b/AGENTS.md
@@ -0,0 +1,3 @@
+# AGENTS.md
+
+禁止提交 `.env`、凭据、私钥。提交前 `git diff --staged` 自查。

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+# AGENTS.md`
	`2`	`+`
	`3`	+禁止提交 `.env`、凭据、私钥。提交前 `git diff --staged` 自查。